Can you answer all of these and show work. i need a lot of pls

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.